By having more specific autoload prefixes it is possible to reduce the number of stat calls made. Also it prevents conflicts with similar namespaces.
This reverts commit 2dcc448.
We've raised the minimum version of PHP because of a PHP bug before 5.3.4: https://bugs.php.net/bug.php?id=52083 https://bugs.php.net/bug.php?id=50027
5.3.3 has some interesting fixes and this is the version used by Redhat 6 and Debian 6
…and target dirs